Aviation Pinger News Today

Vice president and group manager at teledine marine systems which makes some of the pinger locators that have been used in this search for the flight. also mary schiavo, aviation analyst and former inspector general for the u.s. transportation department. thomas, i want to start with you. first, are you surprised about this latest news that the pings didnt come from the black boxes? >> no. i mean, that was always a possibility. i think we talked about this over the last couple of months, that th...

So already, although they didnt find the pingers, they had a well-contained area they were searching. they had a pretty good idea what they wanted to look for. here we had potential pings that have defined the search area. since the search area is so large and theres a risk that the pings that were heard were not from an aviation pinger or maybe it hasnt defined a small enough area, its not surprising they havent seen anything yet. >> thomas art schule her, thank you very much for your perspecti...

>> probably what happened there was the frequency or signal characteristics didnt look like the simple aviation pinger. i wouldnt want to judge them. but think about what they are built for. they are built to detect submarines which are running quietly. they are 1,000 feet and well be low the noise that is coming from the surface of the ocean. they are very, very sensitive. it is probably discounting that detection. in spite of what you have just said. will they deploy those fairly soon? >> they...

Inside the boat. is that a possibility? >> it could be. we know that the other pinger is not an aviation pinger. its at the same frequency, 35.7 kilohertz. its one that we manufacture. its used to put something in the ocean and set a time that says dont start going off for five days from now and then i can find what i put in the ocean. the chinese appears to be testing the device and working okay. so if theyre careful it would be fine to have it in the boat if you keep it dry when using it in th...